258334369 has 2 divisors, whose sum is σ = 258334370. Its totient is φ = 258334368.

The previous prime is 258334343. The next prime is 258334381. The reversal of 258334369 is 963433852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164147344 + 94187025 = 12812^2 + 9705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258334369 is a prime.

It is a super-2 number, since 2×258334369² = 133473292413256322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (258334319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129167184 + 129167185.

It is an arithmetic number, because the mean of its divisors is an integer number (129167185).

Almost surely, 2^258334369 is an apocalyptic number.

It is an amenable number.

258334369 is a deficient number, since it is larger than the sum of its proper divisors (1).

258334369 is an equidigital number, since it uses as much as digits as its factorization.

258334369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 43.

The square root of 258334369 is about 16072.7834863785. The cubic root of 258334369 is about 636.8845735223.

The spelling of 258334369 in words is "two hundred fifty-eight million, three hundred thirty-four thousand, three hundred sixty-nine".